Lock portion



FIG. 1 is a perspective view of a lock portion with texture showing our new design;

FIG. 2 is a front view of the lock portion thereof;

FIG. 3 is a rear view of the lock portion thereof;

FIG. 4 is a right view of the lock portion thereof;

FIG. 5 is a left view of the lock portion thereof;

FIG. 6 is a top view of the lock portion thereof; and,

FIG. 7 is a bottom view of the lock portion thereof.

The shade lines in the Figures show contour and not surface ornamentation.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a lock portion, as shown and described. 